polycrystalline
Americanadjective
-
(of a rock or metal) composed of aggregates of individual crystals.
-
having or consisting of crystals that are variously oriented.
Etymology
Origin of polycrystalline
First recorded in 1920–25; poly- + crystalline
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It also provides products for the telecommunications industry, optical materials for the semiconductor industry and the scientific community, and polycrystalline silicon products and other technologies.
From Barron's • Apr. 16, 2026
In polycrystalline cathodes, charging and discharging causes the stacked particles to repeatedly expand and contract.
From Science Daily • Dec. 29, 2025
To reduce the chances of failure in devices that use polycrystalline materials, it is important to understand the formation of these dislocations.
From Science Daily • Dec. 20, 2023
The project’s blueprint includes a smelter to make aluminum for electric vehicles and other factories to produce petrochemicals, batteries for EVs and polycrystalline materials used in solar panels.
From Seattle Times • Sep. 13, 2023
The polycrystalline grains are cheap and can be heated and compressed into ingots that are 3 to 5 centimeters long, which can be made into devices.
From Science Magazine • Aug. 2, 2021
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
